Cover of Soap: Ash, Fat, Foam, a book by Ketineni Ramarao - Industries of India

Soap begins with ash and fat and ends in foam. This book follows saponification from the earliest makers to the modern detergent plant, and the industry that washes the world.

116 pages · Published November 2026 · Free to read as a PDF

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Every reference number in the book resolves in the source companion: what each source is, how fully it was read, and its limits.

In the industry map

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